Category Archives: SIP

What is SIP and what is it used for?

February 26, 2020
IP….I’ve heard of that before. That’s right! Most of you must have heard of IP. IP stands for Internet Protocol. It’s a method of transporting ... READ MORE

5 FREE SIP Softphones and affordable deskphone options – Updated March 2020

December 10, 2015
Note: This post was originally written by Jeff Quinn. There are advantages between choosing a softphone or deskphone option when implementing a new VoIP phone system ... READ MORE

First Look: RenegadePBX 1U Appliance

October 5, 2015
We are excited to announce the first ever VoIP Supply branded IP PBX, the RenegadePBX 1U Appliance. At VoIP Supply, we strive to put you, ... READ MORE

VoIPSupply Labs: Tip for Cisco IP Phone Owners Migrating to SIP Version 12

June 2, 2009
To all Cisco CP-7940G/60G owners thinking about upgrading to Cisco's new SIP Version 12.0 firmware....please pay attention and avoid a migraine! Being that I run a ... READ MORE

Tech Tip: Converting a Cisco IP Phone from SCCP (Skinny) to SIP Firmware

April 3, 2009
Cisco IP Phones are amongst the most popular desktop IP phones out there. By default, Cisco ship their phones from the factory pre-loaded with ... READ MORE

And the Winner Is…

June 9, 2008
We have a winner! Ashley Kitto has won a $1500 VoIP Supply store credit in the ‘101 Things You Can Do with Asterisk' contest from Digium ... READ MORE